沙坡头自然保护区植物群落的消长变化及可持续发展研究

A study on the growth and decline and the continued development of plant community of Shapotou national protected region in Ningxia

对宁夏中卫沙坡头国家级自然保护区的植物、植被状况进行了调查,分析了自1988年第一次考察以来,由于气候变化、人类开发活动加剧、病虫害发生、地下水位下降诸因素的影响,保护区植被、植物群落消长变化趋势为盖度下降、植株枯死、人工固沙林衰败、自然植被面积减少而栽培植被面积的扩大.提出了再造新型防风固沙林等6条可持续发展和保护的对策.

The growth and decline as well as the continued development countermeasure of plant community of Shapotou national natural protected region in Ningxia have been studied since 1988.Because of influence of climatic variations,the productional operation,the plant diseases and insect pests,the descent of ground water level,the trend of plant community were provided,such as the descent of plant cover degree,the plants withered up,the decline of sandfixation forest,the reduction of natural vegetation and the expansion of cultivated vegetation.Rebuild the new sandfixation forest and other 5 countermeasure for continued development and protection have been set out.